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Stuffed Spanish Onions

Stuffed Spanish onions filled with forcemeat and moistened bread crumbs, seasoned with salt, pepper, melted butter, and topped with buttered crumbs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Bread and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Stuffed Spanish Onions

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the onions

  1. Peel and cut out a part of the inside of the onions.

  2. Parboil the onions for five minutes and drain them.

Stuff and bake

  1. Fill the onions with force meat mixed with moistened bread crumbs.

  2. Season with coarse sea salt, pepper, and melted butter.

  3. Cover the top with buttered crumbs.

  4. Cook in the oven at 350°F (175°C) until tender.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Bread + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

  2. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Meat + breadtop 14% of all pairs
    Smell alikemoderate
    Cooked together2,924 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  4. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Onion + breadtop 15% of all pairs
    Smell alikemoderate
    Cooked together8,676 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Spanish onions
Form the edible shell that holds the stuffing while it cooks.
Force meat
Provides the rich, savoury filling that flavours the onion as it cooks.
Moistened bread crumbs
Add bulk and moisture to the filling, helping it stay tender rather than dense.
Melted butter
Adds fat and richness, carrying flavour through the filling and onion.
Buttered crumbs
Form a topping that browns in the oven and adds a crisp finish.

The step that matters

Parboil the onions for five minutes and drain them.. Partial cooking softens the onion layers so they become tender during baking without the filling overcooking. Draining removes surface water that would dilute the filling and soften the crumb topping.

Swap the onion

How well each one fits the dish's main ingredients (meat, bread, pepper, butter):

  1. Capsicumfits better
  2. Potatofits better
  3. Tomatofits about as well
  4. Onionthe original

Fit is the average pairing score against meat, bread, pepper, butter. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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